/**
* @param operation
* @return
* @throws IOException
*/
private FastStringBuffer read(IProgressMonitor monitor) throws IOException {
synchronized (ioLock) {
if (finishedForGood) {
throw new RuntimeException(
"Shells are already finished for good, so, it is an invalid state to try to read from it.");
}
if (inStart) {
throw new RuntimeException(
"The shell is still not completely started, so, it is an invalid state to try to read from it.");
}
if (!isConnected) {
throw new RuntimeException(
"The shell is still not connected, so, it is an invalid state to try to read from it.");
}
if (isInRead) {
throw new RuntimeException(
"The shell is already in read mode, so, it is an invalid state to try to read from it.");
}
if (isInWrite) {
throw new RuntimeException(
"The shell is already in write mode, so, it is an invalid state to try to read from it.");
}
isInRead = true;
try {
FastStringBuffer str = new FastStringBuffer(AbstractShell.BUFFER_SIZE);
byte[] b = new byte[AbstractShell.BUFFER_SIZE];
while (true) {
int len = this.socket.getInputStream().read(b);
if (len == 0) {
break;
}
String s = new String(b, 0, len);
str.append(s);
if (str.indexOf("END@@") != -1) {
break;
} else {
sleepALittle(10);
}
}
str.replaceFirst("@@COMPLETIONS", "");
// remove END@@
try {
if (str.indexOf("END@@") != -1) {
str.setCount(str.indexOf("END@@"));
return str;
} else {
throw new RuntimeException("Couldn't find END@@ on received string.");
}
} catch (RuntimeException e) {
if (str.length() > 500) {
str.setCount(499)
.append("...(continued)..."); // if the string gets too big, it can crash Eclipse...
}
Log.log(IStatus.ERROR, ("ERROR WITH STRING:" + str), e);
return new FastStringBuffer();
}
} finally {
isInRead = false;
}
}
}
